He found out the truth and was surprised.

He is really knowledgeable and always teaches us new information.

His ears are very sensitive to music.

Every time I hear his name, I remember him.

His ears are very big.

This equation has a singularity.

As if symbolizing the heat of summer, the cicadas started to sing.

This voiceless cicada never chirps.

I heard the voice of the evening cicada in the park.

The sound of the bear cicada is a symbol of summer.